Digital slave flash trigger [Deleted]

This unique circuit has been tried with all three of my cameras and two others and works perfectly. It ignores all pre-flashes and only triggers on the last (main) flash.
No adjustments are needed. It will be tested with more cameras as they become available.
The current drawn is just 2.2mA at 3v. (about 4.2mA at 6v)The AA batteries were only used for making and testing the prototype. The finished unit will use a coin cell. The unit will handle trigger voltages up to 400v. Which I think...

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